Gurgling pipes

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riteoh
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Gurgling pipes

Postby riteoh » Fri 23 Dec, 2016 18:29

Greetings to all from Australia. I can't seem to google an answer to this question, so hopefully can get an answer here.
A brief summary - I have a solar pool heating system where the water is pumped through PVC pipes to my rubber tubes on the roof of my house, where the water is heated and returned to the pool.

This season since turning the solar pump (separate to pool pump) on, the PVC pipes are constantly gurgling as if there is unreleased air in them, mixing with the pool water.

I'm not seeing air coming into the pool from the pipes however, so not sure what is going on.

I've tried turning the solar on and off to empty all the pipes, backwashing the filter - everything I can think of.

Any help appreciated - the system is about 10 years old, but never given me a moment of trouble. It's still returning warm water to the pool, so doesn't appear to be not working properly - it's just the noise that is irritating!

Thanks.


Denniswiseman
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My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Gurgling pipes

Postby Denniswiseman » Sat 24 Dec, 2016 12:37

It may be a suction side air leak. Check you pump basket lid "O" ring and inlet union and lubricate with silicon grease or vaseline.
Where does the flow to the solar pump come from the pool (could air be sucked in there)
Ptp
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Re: Gurgling pipes

Postby Ptp » Sat 02 Feb, 2019 23:52

Hi fellow Aussie!
I have the same problem, and I think the pipes are connected the wrong way around.

So instead of the water being pumped up through the little heating tubes, it is pumped to the top of them and then flows through them by gravity, gurgling and waterfall-ing down.

I'll reconnect them the other way in a few weeks and see!
Denniswiseman
Pool Industry Leader
Pool Industry Leader
Posts: 1034
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Gurgling pipes

Postby Denniswiseman » Sun 03 Feb, 2019 08:17

If it worked OK before don't change it
Teapot
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My Pool: 12 x 24 (45m3) liner pool, Triton TR60 filter with AFM glass media (Activate) and variable speed pump running 0.08HP
Location: UK

Re: Gurgling pipes

Postby Teapot » Mon 04 Feb, 2019 13:39

Hole in rubber pipes letting in air, how old is the heating mat

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